The accuracy of the address affects the speed and handling of your mail. Print or type your address in the upper left corner on the front of the envelope. Place labels for extra services above the delivery address and to the right of the return address, or to the left of the postage. Use stamps, a postage meter, or a PC Postage system to affix.
On a large envelope. Correct address formats. To avoid unnecessary delays or surcharges, follow these addressing guidelines (visual examples follow): Write STREET ADDRESS in uppercase letters. Write POSTAL CODES in uppercase letters and separate the first 3 characters from the last 3 characters with 1 space. (No hyphens please. These can cause.